[es6] Partially implement Reflect.ownKeys.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 1918 matching lines @@
   inline static Handle<Smi> GetOrCreateIdentityHash(
       Handle<JSReceiver> object);
 
   enum KeyCollectionType { OWN_ONLY, INCLUDE_PROTOS };
 
   // Computes the enumerable keys for a JSObject. Used for implementing
   // "for (n in object) { }".
   MUST_USE_RESULT static MaybeHandle<FixedArray> GetKeys(
       Handle<JSReceiver> object, KeyCollectionType type,
       KeyFilter filter = SKIP_SYMBOLS,
-      GetKeysConversion getConversion = KEEP_NUMBERS);
+      GetKeysConversion getConversion = KEEP_NUMBERS,
+      bool only_enumerables = true);

[Camillo Bruni, 2015/11/05 08:29:35]

I know we discussed to move all the flags on the KeyAccu, but could you add an
enum for only_enumerables nevertheless? (I think it makes the call-sites of
GetKeys quite a bit more readable).

 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSReceiver);
 };
 
 
 // The JSObject describes real heap allocated JavaScript objects with
 // properties.
 // Note that the map of JSObject changes during execution to enable inline
 // caching.
@@ skipping 8787 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_